WJEC Year 10 PE: High-Frequency Topics & Common Mistakes Analysis | WJEC Year 10 体育：高频考点与易错题分析

📚 WJEC Year 10 PE: High-Frequency Topics & Common Mistakes Analysis | WJEC Year 10 体育：高频考点与易错题分析

In Year 10 WJEC Physical Education, the theory component introduces key concepts across physiology, biomechanics, psychology, and socio-cultural influences. Many students find it challenging to recall precise definitions and to distinguish between similar terms under exam pressure. This article highlights the most frequently examined topics and the typical mistakes learners make, providing clear explanations and revision tips to boost your confidence.

在WJEC Year 10体育课程中，理论部分涵盖了生理学、生物力学、心理学和社会文化影响等核心概念。许多学生发现在考试压力下准确回忆定义并区分相似术语颇具挑战性。本文重点解析最高频考点和常见错误，提供清晰解释与复习技巧，助你提升信心。

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1. Health vs Skill Components of Fitness | 健康与技能体能组成

WJEC splits fitness components into health-related (cardiovascular endurance, muscular endurance, muscular strength, flexibility, body composition) and skill-related (agility, balance, coordination, power, reaction time, speed). Exam questions often ask you to identify the most important component for a specific performer or activity.

WJEC将体能分为健康相关（心血管耐力、肌肉耐力、肌肉力量、柔韧性、身体成分）和技能相关（敏捷性、平衡能力、协调性、爆发力、反应时间、速度）。考题常要求为特定运动员或活动指出最重要的体能组成。

Health-Related Components	健康相关	Skill-Related Components	技能相关
Cardiovascular Endurance	心血管耐力	Agility	敏捷性
Muscular Endurance	肌肉耐力	Balance	平衡能力
Muscular Strength	肌肉力量	Coordination	协调性
Flexibility	柔韧性	Power	爆发力
Body Composition	身体成分	Reaction Time	反应时间
		Speed	速度

Mistake: Students often label flexibility as a skill-related component because it seems linked to technique, but it is a health-related factor that enables efficient movement. Likewise, power (strength x speed) is sometimes wrongly placed under health components.

常见错误：学生常将柔韧性归为技能相关，因为它似乎与技术有关，但它是能促使高效运动的健康相关因素。同样，爆发力（力量×速度）有时被错误地归入健康组件。

Tip: Remember that all health-related components directly affect your body’s physical fitness and disease prevention, whereas skill-related components influence your ability to perform specific sports skills.

提示：记住所有健康相关体能直接影响身体素质和疾病预防，而技能相关体能影响你执行特定运动技能的能力。

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2. Training Principles: SPORT and FITT | 训练原则：SPORT 与 FITT

The acronym SPORT stands for Specificity, Progression, Overload, Reversibility and Tedium. Overload must be applied gradually using the FITT variables—Frequency, Intensity, Time and Type. Students are regularly asked to explain how a coach might use these principles to design a training programme.

缩写 SPORT 代表专门性、渐进性、超负荷、可逆性和乏味性。超负荷必须通过 FITT 变量（频率、强度、时间和类型）逐步应用。考题经常要求学生解释教练如何运用这些原则来设计训练计划。

Mistake 1: Confusing Overload with Progression. Overload means working harder than your body’s current level, while Progression is the planned increase in overload over time to avoid plateau.

错误一：混淆超负荷与渐进性。超负荷是指比身体当前水平更努力地训练，而渐进性是随时间有计划地增加超负荷以避免瓶颈。

Mistake 2: Forgetting the ‘T’ in SPORT—Tedium refers to boredom. If training becomes boring, motivation drops and reversibility can occur. Many students only recall the other four principles.

错误二：遗漏 SPORT 中的 T——乏味性指训练的单调枯燥。若训练变得乏味，动机下降，可逆性就可能发生。许多学生只记住另外四个原则。

Mistake 3: Incorrectly applying FITT. For example, increasing frequency alone without adjusting intensity may not create effective overload. You must consider all four variables together.

错误三：错误应用 FITT。例如，仅增加频率而不调整强度，可能无法产生有效的超负荷。你必须综合考虑所有四个变量。

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3. Aerobic and Anaerobic Exercise | 有氧与无氧运动

Aerobic exercise uses oxygen to break down glucose, producing carbon dioxide, water and energy. Anaerobic exercise works without oxygen, producing lactic acid and energy, which leads to an oxygen debt (EPOC). Questions often require you to give sporting examples and explain the differences.

有氧运动利用氧气分解葡萄糖，产生二氧化碳、水和能量。无氧运动在缺氧情况下进行，产生乳酸和能量，并导致氧债（运动后过量氧耗）。题目常要求你给出运动实例并解释区别。

Aerobic equation: Glucose + Oxygen → Carbon Dioxide + Water + Energy (e.g. marathon running). Anaerobic equation: Glucose → Lactic Acid + Energy (e.g. 100 m sprint).

有氧方程式：葡萄糖 + 氧气 → 二氧化碳 + 水 + 能量（例如马拉松跑）。无氧方程式：葡萄糖 → 乳酸 + 能量（例如百米短跑）。

Mistake 1: Claiming that a basketball player only uses anaerobic energy. In reality, most team sports use a mix of both systems, depending on intensity and duration.

错误一：声称篮球运动员只使用无氧能量。实际上，多数团队运动根据强度和时间混合使用两种系统。

Mistake 2: Missing the link between lactic acid and fatigue. High-intensity anaerobic work accumulates lactic acid, which lowers pH and contributes to muscle tiredness, yet some answers only mention ‘you get tired’.

错误二：遗漏乳酸与疲劳的联系。高强度无氧工作积累乳酸，降低pH并导致肌肉疲劳，但有些答案仅说“你会累”。

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4. The Heart and Blood Flow | 心脏与血液流动

The heart is a double pump: the right side sends deoxygenated blood to the lungs (pulmonary artery), while the left side pumps oxygenated blood around the body (aorta). Valves prevent backflow. A common extended question traces the route of a red blood cell through the circulatory system.

心脏是双泵：右侧将缺氧血送至肺部（肺动脉），而左侧将富氧血泵往全身（主动脉）。瓣膜防止回流。常见的论述题会追踪红细胞在循环系统中的路径。

Mistake 1: Believing all arteries carry oxygenated blood. The pulmonary artery carries deoxygenated blood from the heart to the lungs. Similarly, the pulmonary vein carries oxygenated blood back to the heart—the only vein with oxygenated blood.

错误一：以为所有动脉都运输含氧血。肺动脉从心脏运送缺氧血到肺部。同样，肺静脉把含氧血送回心脏——这是唯一运输含氧血的静脉。

Mistake 2: Mixing up the sides of the heart. Left ventricle pumps to the body (thicker wall), right ventricle to the lungs. Recall ‘Left = Lungs’ is wrong; left = body, right = lungs.

错误二：混淆心脏左右侧。左心室泵血到全身（壁更厚），右心室泵血到肺。记住左心室对应全身，右心室对应肺部，不要记为左对应肺。

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5. Respiratory System and Gaseous Exchange | 呼吸系统与气体交换

Key lung volumes tested include tidal volume (air breathed in/out per breath at rest), vital capacity (maximum air expelled after maximum inhalation) and residual volume (air left in lungs). Gaseous exchange occurs at the alveoli, where oxygen diffuses into the blood and carbon dioxide diffuses out.

常考肺容积包括潮气量（静息每次呼吸吸入/呼出的气量）、肺活量（最大吸气后能呼出的最大气量）和残气量（肺内残留气体）。气体交换发生在肺泡，氧气扩散入血，二氧化碳扩散出。

Mistake 1: Describing tidal volume as the total amount of air you can hold. Tidal volume is the resting breath volume, while vital capacity is the maximum you can exhale after a full inhale. Memorise the difference.

错误一：将潮气量描述为你能容纳的总气量。潮气量是静息时的呼吸量，而肺活量是最大吸气后能呼出的最大量。记住区别。

Mistake 2: Reversing the direction of gas movement. In the alveoli, O₂ goes from air to blood, CO₂ goes from blood to air. Under stress, students sometimes write ‘oxygen leaves the blood’, which is incorrect here.

错误二：颠倒气体移动方向。在肺泡，氧气从空气进入血液，二氧化碳从血液进入空气。紧张时学生可能会写“氧气离开血液”，这在气体交换处是错的。

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6. Muscles, Contractions and Antagonistic Pairs | 肌肉、收缩与拮抗肌对

You must know the major skeletal muscles such as biceps, triceps, quadriceps, hamstrings, gluteals and gastrocnemius. Antagonistic pairs work together to produce coordinated movement: the agonist (prime mover) contracts while the antagonist relaxes. Contractions can be isotonic (changing length, causing movement) or isometric (no change in length, no visible movement).

你必须掌握主要骨骼肌，如肱二头肌、肱三头肌、股四头肌、腘绳肌、臀肌和腓肠肌。拮抗肌对协同工作产生协调运动：主动肌（原

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